ant-design/components/collapse/index.en-US.md
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Co-authored-by: arvinxx <arvinx@foxmail.com>
2020-05-31 11:48:34 +08:00

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Markdown

---
category: Components
type: Data Display
title: Collapse
cols: 1
cover: https://gw.alipayobjects.com/zos/alicdn/IxH16B9RD/Collapse.svg
---
A content area which can be collapsed and expanded.
## When To Use
- Can be used to group or hide complex regions to keep the page clean.
- `Accordion` is a special kind of `Collapse`, which allows only one panel to be expanded at a time.
## API
### Collapse
| Property | Description | Type | Default | Version |
| --- | --- | --- | --- | --- |
| activeKey | Key of the active panel | string\[]\|string\| number\[]\|number | No default value. In `accordion` mode, it's the key of the first panel. | |
| defaultActiveKey | Key of the initial active panel | string\[]\|string\| number\[]\|number | - | |
| bordered | Toggles rendering of the border around the collapse block | boolean | `true` | |
| accordion | If `true`, `Collapse` renders as `Accordion` | boolean | `false` | |
| onChange | Callback function executed when active panel is changed | Function | - | |
| expandIcon | allow to customize collapse icon | (panelProps) => ReactNode | - | |
| expandIconPosition | Set expand icon position | `left` \| `right` | - | |
| destroyInactivePanel | Destroy Inactive Panel | boolean | `false` | |
### Collapse.Panel
| Property | Description | Type | Default | Version |
| --- | --- | --- | --- | --- |
| disabled | If `true`, panel cannot be opened or closed | boolean | `false` | |
| forceRender | Forced render of content on panel, instead of lazy rending after clicking on header | boolean | `false` | |
| header | Title of the panel | string\|ReactNode | - | |
| key | Unique key identifying the panel from among its siblings | string\|number | - | |
| showArrow | If `false`, panel will not show arrow icon | boolean | `true` | |
| extra | extra element in the corner | ReactNode | - | |